MCP1711 Data Sheet

MCP1711
150 mA Ultra-Low Quiescent Current, Capacitorless LDO Regulator
Features
General Description
• Low Quiescent Current: 600 nA
• Input Voltage Range: 1.4V to 6.0V
• Standard Output Voltages: 1.2V, 1.8V, 1.9V, 2.2V,
2.5V, 3.0V, 3.3V, 5.0V
• Output Accuracy: ±20 mV for 1.2V and 1.8V
Options and ±1% for VR > 2.0V
• Temperature Stability: ±50 ppm/°C
• Maximum Output Current: 150 mA
• Low ON Resistance: 3.3 @ VR = 3.0V
• Standby Current: 10 nA
• Protection Circuits: Current Limiter, Short Circuit,
Foldback
• SHDN Pin Function: ON/OFF Logic = Enable
High
• COUT Discharge Circuit when SHDN Function is
Active
• Output Capacitor: Low Equivalent Series
Resistance (ESR) Ceramic, Capacitorless
Compatible
• Operating Temperature: -40°C to +85°C
(Industrial)
• Available Packages:
- 4-Lead 1 x 1 mm UQFN
- 5-Lead SOT-23
• Environmentally Friendly: EU RoHS Compliant,
Lead-Free
The MCP1711 is a highly accurate CMOS low dropout
(LDO) voltage regulator that can deliver up to 150 mA
of current while consuming only 0.6 µA of quiescent
current (typical). The input operating range is specified
from 1.4V to 6.0V, making it an ideal choice for mobile
applications and one-cell Li-Ion powered applications.
Applications
•
•
•
•
•
•
•
Energy Harvesting
Long-Life, Battery-Powered Applications
Portable Electronics
Ultra-Low Consumption “Green” Products
Mobile Devices/Terminals
Wireless LAN
Modules (Wireless, Cameras)
Related Literature
• AN765, Using Microchip’s Micropower LDOs
(DS00765), Microchip Technology Inc.
• AN766, Pin-Compatible CMOS Upgrades to
Bipolar LDOs (DS00766),
Microchip Technology Inc.
• AN792, A Method to Determine How Much Power
a SOT23 Can Dissipate in an Application
(DS00792), Microchip Technology Inc.
 2015-2016 Microchip Technology Inc.
The MCP1711 is capable of delivering 150 mA output
current with only 0.32V (typical) for VR = 5.0V, and
1.41V (typical) for VR = 1.2V of input-to-output voltages
differential. The output voltage accuracy of the
MCP1711 is typically ± 0.02V for VR < 2.0V and ±1% for
VR > 2.0V at +25°C. The temperature stability is
approximately ±50 ppm/°C. Line regulation is
±0.01%/V typical at +25°C.
The output voltages available for the MCP1711 range
from 1.2V to 5.0V. The LDO output is stable even if an
output capacitor is not connected, due to an excellent
internal phase compensation. However, for better transient responses, the output capacitor should be added.
The MCP1711 is compatible with low ESR ceramic
output capacitors.
Overcurrent limit and short-circuit protection embedded into the device provide a robust solution for any
application.
The MCP1711 has a true current foldback feature.
When the load decreases beyond the MCP1711 load
rating, the output current and output voltage will
foldback toward 80 mA (typical) at approximately 0V
output. When the load impedance increases and
returns to the rated load, the MCP1711 will follow the
same foldback curve as the device comes out of
current foldback.
If the device is in Shutdown mode, by inputting a
low-level signal to the SHDN pin, the current
consumption is reduced to less than 0.1 µA (typically
0.01 µA). In Shutdown mode, if the output capacitor is
used, it will be discharged via the internal dedicated
switch and, as a result, the output voltage quickly
returns to 0V.
The package options for the MCP1711 are the 4-lead
1 x 1 mm UQFN and the 5-lead SOT-23, which make
the device ideal for small and compact applications.
DS20005415C-page 1
MCP1711
Package Types
Typical Application Circuit
MCP1711
1x1 UQFN*
Top View
VIN
4
MCP1711
SOT-23
Top View
VOUT
5
SHDN
3
NC
4
MCP1711
VIN
VIN
CIN
EP
5
1
VOUT
MCP1711
1x1 UQFN and SOT-23
COUT
0.1 µF
Ceramic
2
1
3
VIN GND SHDN
2
GND
VOUT
VOUT
OFF
ON
SHDN
GND
* Includes Exposed Thermal Pad (EP);
see Table 3-1
Functional Block Diagram
PMOS
VIN
VOUT
Current
Limit
Ref
–
R1
Err Amp
+
DT
SHDN
DS20005415C-page 2
ON/OFF
Control
SHDN to each block
R2
RDCHG
Discharge transistor (DT)
 2015-2016 Microchip Technology Inc.
MCP1711
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings †
Input Voltage, VIN .....................................................................................................................................................+6.5V
VIN, SHDN.................................................................................................................................................. -0.3V to +6.5V
Output Current, IOUT (1) .........................................................................................................................................470 mA
Output Voltage, VOUT (2)....................................................................................................... -0.3V to VIN + 0.3V or +6.5V
Power Dissipation
5-Lead SOT-23 ..................................................... 600 mW (JEDEC 51-7 FR-4 board with thermal vias) or 250 mW (3)
4-Lead 1 x 1 mm UQFN ........................................ 550 mW (JEDEC 51-7 FR-4 board with thermal vias) or 100 mW (3)
Storage Temperature .............................................................................................................................. -55°C to +125°C
Operating Ambient Temperature ............................................................................................................... -40°C to +85°C
ESD Protection on all pins ...........................................................................................................±1 kV HBM, ±200V MM
† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at those or any other conditions above those indicated
in the operational sections of this specification is not intended. Exposure to maximum rating conditions for extended
periods may affect device reliability.
Note 1: Provided that the device is used in the range of IOUT  PD/(VIN - VOUT).
2: The maximum rating corresponds to the lowest value between VIN + 0.3V or +6.5V.
3: The device is mounted on one layer PCB with minimal copper that does not provide any additional cooling.
DC CHARACTERISTICS
Electrical Characteristics: Unless otherwise indicated, VSHDN = VIN, IOUT = 1 mA, CIN = COUT = 0 µF, VIN = 3.5V for
VR < 2.5V and VIN = VR + 1V for VR  2.5V, TA = +25°C
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
VIN
1.4
—
6.0
V
IOUT = 1 µA
VOUT
VR - 0.02
VR
VR + 0.02
V
VR < 2.0V
VR x 0.99
VR
VR x 1.01
IOUT
150
—
—
mA
VOUT
-16
±3
+16
mV
-50
±17
+50
Input-Output Characteristics
Input Voltage
Output Voltage
Maximum Output Current
Load Regulation
Dropout Voltage
(1)
Input Quiescent Current
Input Quiescent Current
for SHDN mode
Line Regulation
Note 1:
2:
VDROPOUT1
—
VDROP1
(2)
VDROP2
(2)
VR  2.0V
1 µA  IOUT  1 mA
1 mA  IOUT  150 mA
V
IOUT = 50 mA
VDROPOUT2
—
Iq
—
0.60
1.27
—
0.65
1.50
1.9V  VR < 4.0V
—
0.80
1.80
VR  4.0V
ISHDN
—
0.01
0.10
µA
VOUT/
(VIN x VOUT)
-0.13
±0.01
+0.13
%/V
-0.19
±0.01
+0.19
IOUT = 150 mA
µA
VR < 1.9V
VIN = 6.0V
VSHDN = VIN
IOUT = 1 µA
VR + 0.5V  VIN  6.0V
IOUT = 1 mA
VR 1.2V,VR + 0.5V  VIN 
6.0V
The dropout voltage is defined as the input to output differential at which the output voltage drops 2%
below the output voltage value that was measured with an applied input voltage of VIN = VR + 1V.
VDROP1, VDROP2: Dropout Voltage (Refer to the DC Characteristics Voltage Table).
 2015-2016 Microchip Technology Inc.
DS20005415C-page 3
MCP1711
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: Unless otherwise indicated, VSHDN = VIN, IOUT = 1 mA, CIN = COUT = 0 µF, VIN = 3.5V for
VR < 2.5V and VIN = VR + 1V for VR  2.5V, TA = +25°C
Parameters
Sym.
Min.
Typ.
Max.
VOUT/
(T x VOUT)
—
±50
—
ILIMIT
150
270
—
mA
VOUT = 0.95 x VR
Output Short-Circuit
Foldback Current
IOUT_SC
—
80
—
mA
VOUT = GND
COUT Auto-Discharge
Resistance
RDCHG
280
450
640

SHDN = GND
VOUT = VR
en
—
30
—
SHDN Logic High Input
Voltage
VSHDN-HIGH
0.91
—
6.00
V
SHDN Logic Low Input
Voltage
VSHDN-LOW
0
—
0.38
V
SHDN High-Level Current
ISHDN-HIGH
-0.1
—
+0.1
µA
VIN = 6.0V
SHDN Low-Level Current
ISHDN-LOW
-0.1
—
+0.1
µA
VIN = 6.0V
SHDN = GND
Output Voltage
Temperature Stability
Current Limit
Noise
Units
Conditions
ppm/°C IOUT = 10 mA
-40°C  TA  +85°C
µV(rms) CIN = COUT = 1 µF, IOUT = 50
mA, f = 10 Hz to 100 kHz
Shutdown Input
Note 1:
2:
The dropout voltage is defined as the input to output differential at which the output voltage drops 2%
below the output voltage value that was measured with an applied input voltage of VIN = VR + 1V.
VDROP1, VDROP2: Dropout Voltage (Refer to the DC Characteristics Voltage Table).
DC CHARACTERISTICS VOLTAGE TABLE
Nominal
Output
Voltage
Output Voltage (V)
VOUT
Dropout Voltage (V)
VDROP1
VDROP1
VDROP2
VDROP2
VR (V)
Min.
Max.
Typ.
Max.
Typ.
Max.
1.2
1.1800
1.2200
0.87
1.23
1.41
1.93
1.8
1.7800
1.8200
0.47
0.72
0.99
1.40
2.2
2.1780
2.2220
0.31
0.47
0.75
1.05
2.5
2.4750
2.5250
0.26
0.40
0.67
0.92
3.0
2.9700
3.0300
0.17
0.26
0.50
0.67
3.3
3.2670
3.3330
0.17
0.26
0.50
0.67
5.0
4.9500
5.0500
0.10
0.16
0.32
0.43
DS20005415C-page 4
 2015-2016 Microchip Technology Inc.
MCP1711
TEMPERATURE SPECIFICATIONS (Note 1)
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
TA
-40
—
+85
°C
Junction Operating Temperature
TJ
-40
—
+125
°C
Storage Temperature Range
TA
-55
—
+125
°C
JA
—
181.82
—
°C/W JEDEC 51-7 FR4 board with
thermal vias
JA
—
1000
—
°C/W Note 2
JC
—
15
—
°C/W
JA
—
166.67
—
°C/W JEDEC 51-7 FR4 board with
thermal vias
JA
—
400
—
°C/W Note 2
JC
—
81
—
°C/W
Temperature Ranges
Operating Ambient Temperature Range
Package Thermal Resistances
Thermal Resistance, 1 x 1 UQFN-4Ld
Thermal Resistance, SOT-23-5Ld
Note 1:
2:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable
junction temperature, and the thermal resistance from junction to air (i.e., TA, TJ, JA). Exceeding the maximum allowable power dissipation will cause the device operating junction temperature to exceed the
maximum +125°C rating. Sustained junction temperatures above +125°C can impact the device reliability.
The device is mounted on one layer PCB with minimal copper that does not provide any additional cooling.
 2015-2016 Microchip Technology Inc.
DS20005415C-page 5
MCP1711
2.0
TYPICAL PERFORMANCE CURVES
Note:
The graphs and tables provided following this note are a statistical summary based on a limited number of
samples and are provided for informational purposes only. The performance characteristics listed herein
are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified
operating range (e.g., outside specified power supply range) and therefore outside the warranted range.
NOTE: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
1.20
1.20
VR = 5.0V
Quiescent Current (µA)
Quiescent Current (µA)
VR = 1.2V
1.00
0.80
TA = +85°C
TA = +25°C
0.60
0.40
TA = -40°C
0.20
0.00
1.00
TA = +85°C
TA = +25°C
0.80
0.60
0.40
TA = -40°C
0.20
0.00
0
1
2
3
4
5
6
0
1
Input Voltage (V)
FIGURE 2-1:
Voltage.
FIGURE 2-4:
Voltage.
1.2
45
1
0.8
TA = +85°C
0.6
0.4
TA = -40°C
1
2
3
4
5
35
30
25
20
15
10
0
6
Quiescent Current vs. Input
0
30
45
VR = 3.3V
TA = +85°C
0.60
TA = +25°C
TA = -40°C
0.20
60
90
Load Current (mA)
120
150
Ground Current vs. Load
VR = 1.8V
40
0.80
0.40
FIGURE 2-5:
Current.
Ground Current (µA)
Quiescent Current (µA)
1.20
1.00
6
Quiescent Current vs. Input
Input Voltage (V)
FIGURE 2-2:
Voltage.
5
5
0
0
4
VR = 1.2V
40
Ground Current (µA)
Quiescent Current (µA)
VR = 1.8V
TA = +25°C
3
Input Voltage (V)
Quiescent Current vs. Input
0.2
2
35
30
25
20
15
10
5
0.00
0
1
2
3
4
5
6
0
0
Input Voltage (V)
FIGURE 2-3:
Voltage.
DS20005415C-page 6
Quiescent Current vs. Input
FIGURE 2-6:
Current.
30
60
90
Load Current (mA)
120
150
Ground Current vs. Load
 2015-2016 Microchip Technology Inc.
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
.
40
VR = 3.3V
Ground Current (µA)
35
3.5V
30
25
VIN
0V
tr = 5 µs
20
VOUT (DC Coupled, 1V/Div)
15
IOUT = 1 µA
10
5
VOUT
IOUT = 10 mA
0
0
30
60
90
Load Current (mA)
FIGURE 2-7:
Current.
120
VR = 1.8V
Time = 80 µs/Div
150
Ground Current vs. Load
IOUT = 150 mA
FIGURE 2-10:
Start-Up from VIN.
45
VR = 5.0V
Ground Current (µA)
40
4.3V
35
30
VIN
25
0V
tr = 5 µs
VOUT (DC Coupled, 1V/Div)
IOUT = 1 µA
20
15
10
5
IOUT = 10 mA
VOUT
0
0
30
60
90
120
IOUT = 150 mA
VR = 3.3V
Time = 80 µs/Div
150
Load Current (mA)
FIGURE 2-8:
Current.
Ground Current vs. Load
Start-Up from VIN.
FIGURE 2-11:
3.5V
VIN
0V
tr = 5 µs
6.0 V
VIN
IOUT = 1 µA
IOUT = 10 mA
VOUT
VOUT (DC Coupled, 0.5V/Div)
IOUT = 150 mA
Time = 80 µs/Div
FIGURE 2-9:
Start-Up from VIN.
 2015-2016 Microchip Technology Inc.
0V
tr = 5 µs
VOUT
VR = 1.2V
VOUT (DC Coupled, 2V/Div)
IOUT = 1 µA
IOUT = 10 mA
IOUT = 150 mA
VR = 5.0V
Time = 80 µs/Div
FIGURE 2-12:
Start-Up from VIN.
DS20005415C-page 7
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
6.0 V
3.5V
VIN
0V
VIN
tr = 5 µs
VOUT (DC Coupled, 0.5V/Div)
IOUT = 10 mA
IOUT = 100 mA
VOUT
Time = 80 µs/Div
VR = 1.2V
CIN = COUT = 1 µF
Start-Up from VIN.
IOUT
IOUT = 150 mA
0V
FIGURE 2-16:
Start-Up from VIN.
3.5V
tr = 5 µs
EN
0V
tr = 5 µs
VOUT (DC Coupled, 1V/Div)
VOUT (DC Coupled, 0.5V/Div)
IOUT = 1 µA
IOUT = 10 mA
IOUT = 100 mA
VOUT
IOUT = 150 mA
Time = 80 µs/Div
FIGURE 2-14:
VR = 1.8V
CIN = COUT = 1 µF
Start-Up from VIN.
IOUT = 150 mA
VOUT
IOUT = 10 mA
0V
FIGURE 2-17:
IOUT = 10 mA
VOUT (DC Coupled, 1V/Div)
SHDN
0V
tr = 5 µs
VOUT (DC Coupled, 1V/Div)
IOUT = 100 mA
IOUT = 1 µA
IOUT = 150 mA
Time = 80 µs/Div
FIGURE 2-15:
DS20005415C-page 8
Start-Up from SHDN.
3.5V
tr = 5 µs
VOUT
VR = 1.2V
Time = 80 µs/Div
4.3V
VIN
VR = 5.0V
CIN = COUT = 1 µF
Time = 80 µs/Div
3.5V
VIN
VOUT (DC Coupled, 2V/Div)
IOUT = 10 mA
IOUT = 100 mA
IOUT = 150 mA
FIGURE 2-13:
0V tr = 5 µs
VR = 3.3V
CIN = COUT = 1 µF
Start-Up from VIN.
VOUT
Time = 80 µs/Div
FIGURE 2-18:
IOUT = 10 mA
IOUT = 150 mA
VR = 1.8V
Start-Up from SHDN.
 2015-2016 Microchip Technology Inc.
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
SHDN
0V
tr = 5 µs
VOUT (DC Coupled, 1V/Div)
IOUT = 1 µA
IOUT = 150 mA
IOUT = 10 mA
VOUT
Output Voltage (V)
4.3V
VR = 3.3V
Time = 80 µs/Div
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
VR = 1.8V
VIN = 2.5V
VIN = 6.0V
VIN = 4.5V
VIN = 3.5V
0
50
100
150
200
250
300
Output Current (mA)
FIGURE 2-19:
Start-Up from SHDN.
FIGURE 2-22:
Current.
Output Voltage vs. Output
3.50
VR = 3.3V
6.0 V
tr = 5 µs
SHDN 0V
VOUT (DC Coupled, 2V/Div)
IOUT = 1 µA
Output Voltage (V)
3.00
VIN = 5.0V
VIN = 3.6V
2.00
VIN = 4.3V
VIN = 6.0V
1.50
1.00
0.50
IOUT = 150 mA
VOUT
2.50
IOUT = 10 mA
0.00
VR = 5.0V
Time = 80 µs/Div
0
50
100
150
200
250
300
350
Output Current (mA)
FIGURE 2-20:
1.40
VR = 1.2V
1.20
VIN = 3.5V
VIN = 2.5V
1.00
Output Voltage (V)
Output Voltage (V)
FIGURE 2-23:
Current.
Start-Up from SHDN.
VIN = 4.5V
0.80
VIN = 6.0V
0.60
0.40
0.20
0.00
0
50
100
150
200
250
5.50
5.00
4.50
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
VR = 5.0V
VIN = 5.5V
VIN = 6.0V
VIN = 5.2V
0
50
Output Current (mA)
FIGURE 2-21:
Current.
Output Voltage vs. Output
 2015-2016 Microchip Technology Inc.
Output Voltage vs. Output
100
150
200
250
300
350
400
Output Current (mA)
FIGURE 2-24:
Current.
Output Voltage vs. Output
DS20005415C-page 9
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
1.40
VR = 1.2V
1.00
Output Voltage (V)
Output Voltage (V)
1.20
TA = +85°C
0.80
TA = +25°C
0.60
TA = -40°C
0.40
0.20
0.00
0
50
100
150
200
5.50
5.00
4.50
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
VR = 5.0V
TA = +85°C
TA = -40°C
TA = +25°C
0
250
50
Output Current (mA)
Output Voltage vs. Output
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
FIGURE 2-28:
Current.
200
250
300
350
Output Voltage vs. Output
1.40
VR = 1.8V
VR = 1.2V
1.20
TA = +85°C
TA = +25°C
1.00
IOUT = 1 µA
0.80
IOUT = 1 mA
0.60
IOUT = 10 mA
0.40
IOUT = 100 mA
0.20
TA = -40°C
0.00
0
50
100
150
200
250
300
0
1
Output Current (mA)
FIGURE 2-26:
Current.
Output Voltage vs. Output
FIGURE 2-29:
Voltage.
Output Voltage (V)
VR = 3.3V
3.00
2.50
2.00
TA = +85°C
1.50
TA = -40°C
TA = +25°C
1.00
0.50
0.00
0
50
100
150
200
250
300
350
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
DS20005415C-page 10
3
4
5
6
Output Voltage vs. Output
Output Voltage vs. Input
VR = 1.8V
IOUT = 100 mA
IOUT = 10 mA
IOUT = 1 mA
IOUT = 1 µA
0
1
Output Current (mA)
FIGURE 2-27:
Current.
2
Input Voltage (V)
3.50
Output Voltage (V)
150
Output Current (mA)
Output Voltage (V)
Output Voltage (V)
FIGURE 2-25:
Current.
100
2
3
4
5
6
Input Voltage (V)
FIGURE 2-30:
Voltage.
Output Voltage vs. Input
 2015-2016 Microchip Technology Inc.
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
3.50
VR = 3.3V
Output Voltage (V)
Output Voltage (V)
3.00
IOUT = 100 mA
2.50
2.00
IOUT = 10 mA
1.50
1.00
IOUT = 1 mA
0.50
IOUT = 1 µA
0.00
0
1
2
3
4
Input Voltage (V)
5.50
5.00
4.50
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
VR = 1.8V
IOUT = 1 µA
-15
3.60
IOUT = 100 mA
IOUT = 10 mA
IOUT = 1 mA
4
5
3.45
3.40
IOUT = 1 mA
3.35
3.30
-15
10
35
60
Ambient Temperature (°C)
5.20
IOUT = 10 mA
IOUT = 1 mA
IOUT = 1 µA
85
Output Voltage vs. Ambient
VR = 5.0V
5.15
Output Voltage (V)
Output Voltage (V)
FIGURE 2-35:
Temperature.
VR = 1.2V
IOUT = 100 mA
IOUT = 10 mA
-40
6
Output Voltage vs. Input
IOUT = 100 mA
Output Voltage vs. Ambient
IOUT = 1 µA
Input Voltage (V)
1.25
1.24
1.23
1.22
1.21
1.20
1.19
1.18
1.17
1.16
1.15
85
3.50
3.20
FIGURE 2-32:
Voltage.
60
3.25
IOUT = 1 µA
3
35
VR = 3.3V
3.55
2
10
FIGURE 2-34:
Temperature.
Output Voltage vs. Input
1
IOUT = 10 mA
Ambient Temperature (°C)
5.0V
VVRR == 5.0V
0
IOUT = 100 mA
IOUT = 1 mA
-40
6
Output Voltage (V)
Output Voltage (V)
FIGURE 2-31:
Voltage.
5
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
IOUT = 1 µA
5.10
IOUT = 1 mA
5.05
5.00
4.95
IOUT = 10 mA
4.90
IOUT = 100 mA
4.85
4.80
-40
-15
10
35
60
85
-40
Output Voltage vs. Ambient
 2015-2016 Microchip Technology Inc.
10
35
60
85
Ambient Temperature (°C)
Ambient Temperature (°C)
FIGURE 2-33:
Temperature.
-15
FIGURE 2-36:
Temperature.
Output Voltage vs. Ambient
DS20005415C-page 11
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
450
VR = 1.2V
1600
1400
TA = +25°C
1200
1000
800
600
VR = 5.0V
400
TA = +85°C
Dropout Voltage (mV)
Dropout Voltage (mV)
1800
TA = -40°C
400
TA = +85°C
350
300
250
200
TA = +25°C
150
100
200
TA = -40°C
50
0
0
0
25
50
75
100
125
150
0
25
50
Output Current (mA)
Dropout Voltage vs. Output
Dropout Voltage (mV)
1400
VR = 1.8V
1200
TA = +85°C
1000
800
TA = +25°C
600
400
200
TA = -40°C
FIGURE 2-40:
Current.
0
25
FIGURE 2-38:
Current.
Dropout Voltage (mV)
150
Dropout Voltage vs. Output
VR = 1.2V to 5.0V
SHDN High Level
0.80
0.60
SHDN Low Level
0.40
0.20
50
75
100
125
150
-40
-15
Dropout Voltage vs. Output
VR = 3.3V
TA = +85°C
TA = +25°C
75
100
60
85
4.5V
TA = -40°C
50
35
FIGURE 2-41:
Shutdown Threshold
Voltage vs. Ambient Temperature.
VIN
25
10
Ambient Temperature (°C)
Output Current (mA)
0
125
0.00
0
500
450
400
350
300
250
200
150
100
50
0
100
1.00
SHDN Threshold Voltage (V)
FIGURE 2-37:
Current.
75
Load Current (mA)
3.5V
tf = 5 µs
tr = 5 µs
VOUT (AC Coupled, 500 mV/Div)
VOUT
125
150
VR = 1.2V
VIN = 3.5V to 4.5V
IOUT = 10 mA
Time = 80 µs/Div
Load Current (mA)
FIGURE 2-39:
Current.
DS20005415C-page 12
Dropout Voltage vs. Output
FIGURE 2-42:
Dynamic Line Response.
 2015-2016 Microchip Technology Inc.
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
4.5V
VIN
3.5V
5.3V
VIN
tf = 5 µs
tr = 5 µs
4.3V
tr = 5 µs
tf = 5 µs
VOUT (AC Coupled, 500 mV/Div)
VOUT (AC Coupled, 500 mV/Div)
VOUT
VOUT
VR = 1.2V
VIN = 3.5V to 4.5V
IOUT = 100 mA
VR = 3.3V
VIN = 4.3V to 5.3V
IOUT = 10 mA
FIGURE 2-43:
Time = 80 µs/Div
Dynamic Line Response.
FIGURE 2-46:
3.5V
Dynamic Line Response.
5.3V
4.5V
VIN
Time = 80 µs/Div
tf = 5 µs
tr = 5 µs
VIN
4.3V
tr = 5 µs
tf = 5 µs
VOUT (AC Coupled, 500 mV/Div)
VOUT (AC Coupled, 500 mV/Div)
VOUT
VOUT
VR = 1.8V
VIN = 3.5V to 4.5V
IOUT = 10 mA
VR = 3.3V
VIN = 4.3V to 5.3V
IOUT = 100 mA
FIGURE 2-44:
Time = 80 µs/Div
Dynamic Line Response.
FIGURE 2-47:
3.5V
Dynamic Line Response.
6.0V
4.5V
VIN
Time = 80 µs/Div
VIN
tf = 5 µs
tr = 5 µs
5.2V
tr = 5 µs
tf = 5 µs
VOUT (AC Coupled, 500 mV/Div)
VOUT (AC Coupled, 500 mV/Div)
VOUT
VOUT
VR = 1.8V
VIN = 3.5V to 4.5V
IOUT = 100 mA
VR = 5.0V
VIN = 5.2V to 6.0V
IOUT = 10 mA
FIGURE 2-45:
Time = 80 µs/Div
Dynamic Line Response.
 2015-2016 Microchip Technology Inc.
FIGURE 2-48:
Time = 80 µs/Div
Dynamic Line Response.
DS20005415C-page 13
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
VIN
5.5V
150 mA
6.0V
tr = 5 µs
IOUT
tf = 5 µs
tr1
VOUT (AC Coupled, 500 mV/Div)
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
VR = 5.0V
VIN = 5.5V to 6.0V
IOUT = 100 mA
Time = 80 µs/Div
FIGURE 2-49:
Dynamic Line Response.
1
tr set time = 5 µs
FIGURE 2-52:
tr1
tf = 5 µs
VOUT (AC Coupled, 1V/Div)
VOUT
Time = 200 µs/Div
VR = 1.2V
VIN = 3.5V
IOUT = 1 µA to 150 mA
VOUT
VR = 1.2V
VIN = 3.5V
IOUT = 1 mA to 150 mA
Time = 200 µs/Div
tr set time = 5 µs
1
FIGURE 2-50:
Dynamic Load Response.
150 mA
1
IOUTtr
CIN = COUT = 1 µF
tf = 5 µs
IOUT
VOUT (AC Coupled, 1V/Div)
tf = 5 µs
tr set time = 5 µs
FIGURE 2-53:
CIN = COUT = 1 µF
1 µA
VOUT (AC Coupled, 1V/Div)
VR = 1.2V
VIN = 3.5V
IOUT = 1 µA to 150 mA
DS20005415C-page 14
tf = 5 µs
VOUT
Time = 200 µs/Div
1
tr set time = 5 µs
FIGURE 2-51:
tr1
VOUT (AC Coupled, 1V/Div)
VOUT
Time = 200 µs/Div
Dynamic Load Response.
150 mA
IOUT
1 µA
1
Dynamic Load Response.
150 mA
tr1
1 µA
1
VR = 1.2V
VIN = 3.5V
IOUT = 1 mA to 150 mA
Time = 200 µs/Div
150 mA
IOUT
tf = 5 µs
1 mA
Dynamic Load Response.
VR = 1.8V
VIN = 3.5V
IOUT = 1 µA to 150 mA
tr set time = 5 µs
FIGURE 2-54:
Dynamic Load Response.
 2015-2016 Microchip Technology Inc.
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
150 mA
tr1
CIN = COUT = 1 µF
tf = 5 µs
IOUT
150 mA
tf = 5 µs
IOUT
tr1
1 µA
VOUT (AC Coupled, 1V/Div)
1 µA
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
Time = 200 µs/Div
1
VR = 1.8V
VIN = 3.5V
IOUT = 1 µA to 150 mA
1
tr set time = 5 µs
FIGURE 2-55:
Dynamic Load Response.
Time = 200 µs/Div
tr set time = 5 µs
FIGURE 2-58:
150 mA
IOUT
1 mA
tr1
tf = 5 µs
CIN = COUT = 1 µF
tf = 5 µs
IOUT
1 µA
VOUT (AC Coupled, 1V/Div)
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
Time = 200 µs/Div
1
Dynamic Load Response.
150 mA
tr1
VR = 3.3V
VIN = 4.3V
IOUT = 1 µA to 150 mA
VR = 1.8V
VIN = 3.5V
IOUT = 1 mA to 150 mA
tr set time = 5 µs
FIGURE 2-56:
1
Dynamic Load Response.
150 mA
tr1
IOUT
CIN = COUT = 1 µF
Time = 200 µs/Div
tr set time = 5 µs
FIGURE 2-59:
Dynamic Load Response.
150 mA
IOUT
tf = 5 µs
VR = 3.3V
VIN = 4.3V
IOUT = 1 µA to 150 mA
tr1
tf = 5 µs
1 mA
1 mA
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
Time = 200 µs/Div
1
VR = 1.8V
VIN = 3.5V
IOUT = 1 mA to 150 mA
tr set time = 5 µs
FIGURE 2-57:
Dynamic Load Response.
 2015-2016 Microchip Technology Inc.
Time = 200 µs/Div
1
VR = 3.3V
VIN = 4.3V
IOUT = 1 mA to 150 mA
tr set time = 5 µs
FIGURE 2-60:
Dynamic Load Response.
DS20005415C-page 15
MCP1711
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
150 mA
tr1
IOUT
tf = 5 µs
IOUT
150 mA
CIN = COUT = 1 µF
1 mA
1 mA
tr1
tf = 5 µs
VOUT (AC Coupled, 1V/Div)
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
Time = 200 µs/Div
1
tr set time = 5 µs
FIGURE 2-61:
VR = 3.3V
VIN = 4.3V
IOUT = 1 mA to 150 mA
Dynamic Load Response.
Time = 200 µs/Div
1
tr set time = 5 µs
FIGURE 2-64:
150 mA
IOUT
1 µA
tr1
Dynamic Load Response.
150 mA
tr1
tf = 5 µs
VR = 5.0V
VIN = 6.0V
IOUT = 1 mA to 150 mA
CIN = COUT = 1 µF
tf = 5 µs
IOUT
1 mA
VOUT (AC Coupled, 1V/Div)
VOUT (AC Coupled, 1V/Div)
VOUT
VOUT
Time = 200 µs/Div
1
VR = 5.0V
VIN = 6.0V
IOUT = 1 µA to 150 mA
Time = 200 µs/Div
tr set time = 5 µs
1
FIGURE 2-62:
Dynamic Load Response.
tr set time = 5 µs
FIGURE 2-65:
tr1
CIN = COUT = 1 µF
tf = 5 µs
IOUT
1 µA
VOUT (AC Coupled, 1V/Div)
VOUT
Time = 200 µs/Div
1
VR = 5.0V
VIN = 6.0V
IOUT = 1 µA to 150 mA
Output Noise (μV/¥Hz)
100
150 mA
DS20005415C-page 16
Dynamic Load Response.
Dynamic Load Response.
CIN = 1 μF, COUT = 1 μF, IOUT = 50 mA
10
1
VR = 3.3V
VIN = 4.3V
0.1
VR = 5.0V
VIN = 6.0V
0.01
0.001
0.01
tr set time = 5 µs
FIGURE 2-63:
VR = 5.0V
VIN = 6.0V
IOUT = 1 mA to 150 mA
FIGURE 2-66:
0.1
VR = 1.8V
VIN = 3.5V
1
10
Frequency (kHz)
100
1000
Output Noise vs. Frequency.
 2015-2016 Microchip Technology Inc.
MCP1711
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
IOUT = 150 mA
IOUT = 10 mA
0.1
1
VR = 1.2V
VIN = 3.5V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 0 µF
10
100
PSRR (dB)
PSRR (dB)
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
1000
Frequency (kHz)
PSRR (dB)
PSRR (dB)
IOUT = 150 mA
-30
-40
-50
-60
-70
IOUT = 10 mA
VR = 1.2V
VIN = 3.5V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 1 µF
-80
-90
-100
0.01
0.1
1
10
Frequency (kHz)
100
1000
0.1
1
PSRR (dB)
PSRR (dB)
IOUT = 150 mA
IOUT = 10 mA
VR = 1.8V
VIN = 3.5V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 0 µF
10
100
Frequency (kHz)
FIGURE 2-69:
Power Supply Ripple
Rejection vs. Frequency.
 2015-2016 Microchip Technology Inc.
0.1
1
VR = 1.8V
VIN = 3.5V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 1 µF
10
100
1000
0
IOUT = 150 mA
-10
-20
-30
-40
-50
IOUT = 10 mA
-60
VR = 3.3V
-70
VIN = 4.3V
V
-80
INAC = 0.5Vpk-pk
CIN = 0 µF
-90
COUT = 0 µF
-100
0.01
0.1
1
10
100
1000
Frequency (kHz)
FIGURE 2-71:
Power Supply Ripple
Rejection vs. Frequency.
FIGURE 2-68:
Power Supply Ripple
Rejection vs. Frequency.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
IOUT = 10 mA
FIGURE 2-70:
Power Supply Ripple
Rejection vs. Frequency.
0
-20
IOUT = 150 mA
Frequency (kHz)
FIGURE 2-67:
Power Supply Ripple
Rejection vs. Frequency.
-10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
1000
0
IOUT = 150 mA
-10
-20
-30
-40
-50
-60
IOUT = 10 mA
-70
-80
-90
-100
0.01
0.1
1
VR = 3.3V
VIN = 4.3V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 1 µF
10
100
1000
Frequency (kHz)
FIGURE 2-72:
Power Supply Ripple
Rejection vs. Frequency.
DS20005415C-page 17
MCP1711
PSRR (dB)
Note: Unless otherwise indicated, VIN = 3.5V for VR < 2.5V or VIN = VR + 1V for VR  2.5V, IOUT = 1 mA,
CIN = COUT = 0 µF, VSHDN = VIN, TA = +25°C.
0
IOUT = 150 mA
-10
-20
-30
-40
-50
IOUT = 10 mA
-60
VR = 5.0V
-70
VIN = 5.75V
-80
VINAC = 0.5Vpk-pk
CIN = 0 µF
-90
COUT = 0 µF
-100
0.01
0.1
1
10
100
1000
Frequency (kHz)
PSRR (dB)
FIGURE 2-73:
Power Supply Ripple
Rejection vs. Frequency.
0
I
= 150 mA
-10 OUT
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.01
0.1
IOUT = 10 mA
VR = 5.0V
VIN = 5.75V
VINAC = 0.5Vpk-pk
CIN = 0 µF
COUT = 1 µF
1
10
100
1000
Frequency (kHz)
FIGURE 2-74:
Power Supply Ripple
Rejection vs. Frequency.
DS20005415C-page 18
 2015-2016 Microchip Technology Inc.
MCP1711
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
3.1
PIN FUNCTION TABLE
MCP1711
1X1 UQFN
MCP1711
SOT-23
Symbol
4
1
VIN
2
2
GND
Ground Terminal
3
3
SHDN
Shutdown Input
—
4
NC
1
5
VOUT
5
—
EP
Description
Unregulated Input Supply Voltage
Not Connected (SOT-23 only)
Regulated Voltage Output
Exposed Thermal Pad (1x1 UQFN only)
Unregulated Input Voltage (VIN)
3.3
Shutdown Input (SHDN)
The SHDN input is used to turn the LDO output voltage
on and off.
Connect the VIN pin to the output of the unregulated
source voltage. Like all low dropout linear regulators,
low-source impedance is necessary for ensuring stable
operation of the LDO. The amount of capacitance
required to ensure low-source impedance will depend
on the proximity of the input source capacitors or battery type. For most applications, 0.1 µF of capacitance
will ensure stable operation of the LDO circuit. If the
output capacitor is used, the input capacitor should
have a capacitance value equal to or greater than the
output capacitor for performance applications.
When the SHDN input is at logic High level, the LDO
output voltage is enabled. When the SHDN pin is pulled
to a logic Low level, the LDO output voltage is disabled.
When the SHDN pin is pulled low, the VOUT pin is
pulled down to the ground level via, parallel to the feedback resistors (R1 and R2), and the COUT discharge
resistance (RDCHG).
The input capacitor will supply the load current during
transients and improve performance. For applications
that have low load currents, the input capacitance
requirement can be lowered.
3.4
The type of capacitor used may be ceramic, tantalum or
aluminum electrolytic. The low ESR characteristics of
the ceramic will yield better noise and Power Supply
Rejection Ratio (PSRR) performance at high
frequency.
3.2
Ground Terminal (GND)
This is the regulator ground. Tie GND to the negative
side of the output capacitor (if used) and to the negative
side of the input capacitor. Only the LDO bias current
flows out of this pin, so there is no high current. The
LDO output regulation is referenced to this pin. Minimize voltage drops between this pin and the negative
side of the load. If a PCB ground plane is not used, minimize the length of the trace between the GND pin and
the ground line.
 2015-2016 Microchip Technology Inc.
The output voltage becomes unstable when the SHDN
pin is left floating.
Not Connected Pin (NC)
The SOT-23 package has a pin that is not connected.This pin should be either left floating or tied to
the ground plane.
3.5
Regulated Output Voltage (VOUT)
Connect the VOUT pin to the positive side of the load
and to the positive side of the output capacitor (if used).
The positive side of the output capacitor should be
physically located as close as possible to the LDO
VOUT pin. The current flowing out of this pin is equal to
the DC load current.
3.6
Exposed Thermal Pad (EP)
The 4-lead 1 x 1 UQFN package has an exposed metal
pad on the bottom of the package. The exposed metal
pad gives the device better thermal characteristics by
providing a good thermal path to either a PCB isolated
plane or a PCB ground plane. The exposed pad of the
package is not internally connected to GND.
DS20005415C-page 19
MCP1711
4.0
DEVICE OVERVIEW
The MCP1711 device is a 150 mA output current,
low-dropout (LDO) voltage regulator. The low dropout
voltage at high current makes it ideal for battery-powered applications. The input voltage ranges from 1.4V
to 6.0V. Unlike other high output current LDOs, the
MCP1711 typically draws only 600 nA quiescent current and maximum 45 µA ground current at 150 mA
load. MCP1711 has a shutdown control input pin
(SHDN). The output voltage options are fixed.
4.1
LDO Output Voltage
The MCP1711 LDO has a fixed output voltage. The
output voltage range is 1.2V to 5.0V.
4.2
Output Current and Current
Limiting
The MCP1711 is tested and ensured to supply a maximum of 150 mA of output current. The device can provide a highly accurate output voltage even if the output
current is only 1 µA (very light load).
The MCP1711 also features a true output current foldback. If an excessive load, due to a low impedance
short-circuit condition at the output load, is detected,
the output current and voltage will fold back towards
80 mA and 0V, respectively. The output voltage and
current will resume normal levels when the excessive
load is removed. If the overload condition is a soft overload, the MCP1711 will supply higher load currents of
up to 270 mA typical. This allows for device usage in
applications that have pulsed load currents having an
average output current value of 150 mA or less.
DS20005415C-page 20
4.3
Output Capacitor
The MCP1711 can provide a stable output voltage even
without an additional output capacitor due to its excellent internal phase compensation, so that a minimum
output capacitance is not required. In order to improve
the load step response and PSRR, an output capacitor
can be added. A value in the range of 0.1 µF to 1.0 µF
is recommended for most applications. The capacitor
should be placed as close as possible to the VOUT pin
and the GND pin. The device is compatible with low
ESR ceramic capacitors. Ceramic materials like X7R
and X5R have low temperature coefficients and are
well within the acceptable ESR range required. A
typical 1 µF X7R 0805 capacitor has an ESR of 50 m.
4.4
Input Capacitor
Low-input source impedance is necessary for the LDO
output to operate properly. When operating from batteries, or in applications with long lead length
(> 10 inches) between the input source and the LDO,
some input capacitance is recommended. A minimum
of 0.1 µF to 1.0 µF is recommended for most applications. For applications that have output step load
requirements, the input capacitance of the LDO is very
important. The input capacitance provides the LDO
with a good local low-impedance source to pull the
transient current from, so it responds quickly to the output load step. For good step response performance,
the input capacitor should be of an equivalent or higher
value than the output capacitor. The capacitor should
be placed as close to the input of the LDO as is practical. Larger input capacitors will also help reduce any
high-frequency noise on the input and output of the
LDO as well as reduce the effects of any inductance
that exists between the input source voltage and the
input capacitance of the LDO.
 2015-2016 Microchip Technology Inc.
MCP1711
4.5
Shutdown Input (SHDN)
The MCP1711 internal circuitry can be shut down via
the signal from the SHDN pin. The SHDN input is an
active-low input signal that turns the LDO on and off.
The shutdown threshold is a fixed voltage level. The
minimum value of this shutdown threshold required to
turn the output on is 0.91V. The maximum value
required to turn the output off is 0.38V.
In Shutdown mode, the VOUT pin will be pulled down to
the ground level via, parallel to feedback resistors and
COUT discharge resistance RDCHG. In this state, the
application is protected from a glitch operation caused
by the electric charge at the output capacitor. Moreover, the discharge time of the output capacitor is set by
the COUT auto-discharge resistance (RDCHG) and the
output capacitor COUT. By setting the time constant of a
COUT auto-discharge resistance value (RDCHG) and the
output capacitor value (COUT) as  = COUT x RDCHG,
the output voltage after discharge via the internal
switch is calculated using Equation 4-1:
Note:
The RDCHG depends on VIN; when VIN is
high the RDCHG is low.
EQUATION 4-1:
V OUT  t  = V OUT  e
 –t   
or
t =   ln  V OUT  V OUT  t  
Where:
VOUT(t) = The output voltage during discharging
VOUT = The initial output voltage
t = Discharge time
 = COUT x RDCHG
4.6
Dropout Voltage
Dropout Voltage is defined as the input-to-output voltage differential at which the output voltage drops 2%
below the nominal value that was measured with a
VR + 1.0V differential applied. See Section 1.0 “Electrical Characteristics”, for minimum and maximum
voltage specifications.
 2015-2016 Microchip Technology Inc.
DS20005415C-page 21
MCP1711
5.0
APPLICATION CIRCUITS AND
ISSUES
5.1
Typical Application
The MCP1711 is most commonly used as a voltage
regulator. Its low quiescent current and low dropout
voltage make it ideal for a multitude of battery-powered
applications.
MCP1711
VIN
3.6V to 4.8V
VIN
VOUT
CIN
VOUT = 1.8V
IOUT = 50 mA
COUT
SHDN
GND
Application Input conditions
Package Type = 5-Lead SOT-23
Input Voltage Range = 3.5V to 4.8V
VIN maximum = 4.8V
VOUT typical = 1.8V
IOUT = 50 mA maximum
FIGURE 5-1:
5.2
Typical Application Circuit.
Power Calculations
5.2.1
POWER DISSIPATION
The internal power dissipation of the MCP1711 is a
function of input voltage, output voltage and output
current. The power dissipation, as a result of the quiescent current draw, is so low that it is insignificant
(0.6 µA x VIN). To calculate the internal power
dissipation of the LDO use Equation 5-1:
EQUATION 5-1:
P LDO =  V IN(MAX  – V OUT(MIN    I OUT  MAX 
Where:
PLDO = LDO pass device internal power
dissipation
The thermal resistance from junction-to-ambient for the
5-Lead SOT-23 package is estimated at:
• 166.67°C with JEDEC 51-7 FR-4 board with
thermal vias and
• 400 °C/W when the device is not mounted on the
PCB, or is mounted on the one layer PCB with
minimal copper that doesn't provide any
additional cooling.
EQUATION 5-2:
T J  MAX  = P TOTAL  R  JA + T A  MAX 
Where:
TJ(MAX) = Maximum continuous junction
temperature
PTOTAL = Total device power dissipation
RJA = Thermal resistance from junction to
ambient
TA(MAX) = Maximum ambient temperature
The maximum power dissipation capability for a
package can be calculated if given the junction-to-ambient thermal resistance (RJA) and the maximum ambient temperature for the application.
Equations 5-3 to 5-5 can be used to determine the
package maximum internal power dissipation:
EQUATION 5-3:
 T J  MAX  – T A  MAX  
P D  MAX  = -------------------------------------------------R  JA
Where:
PD(MAX) = Maximum device power dissipation
TJ(MAX) = Maximum continuous junction
temperature
TA(MAX) = Maximum ambient temperature
RJA = Thermal resistance from junction to
ambient
EQUATION 5-4:
VIN(MAX) = Maximum input voltage
VOUT(MIN) = LDO minimum output voltage,
including the line and load
regulations
The maximum continuous operating junction
temperature specified for the MCP1711 is +125°C. To
estimate the internal junction temperature of the
MCP1711, the total internal power dissipation is multiplied
by
the
thermal
resistance
from
junction-to-ambient (RJA).
DS20005415C-page 22
T J  RISE  = P D  MAX   R  JA
Where:
TJ(RISE) = Rise in device junction temperature
over the ambient temperature
PD(MAX) = Maximum device power dissipation
RJA = Thermal resistance from junction to
ambient
 2015-2016 Microchip Technology Inc.
MCP1711
5.3.1.1
EQUATION 5-5:
T J = T J  RISE  + T A
Where:
TJ = Junction temperature
TJ(RISE) = Rise in device junction temperature
over the ambient temperature
Device Junction Temperature Rise
The internal junction temperature rise is a function of
internal power dissipation and the thermal resistance
from junction to ambient for the application. The thermal resistance from junction to ambient (RJA) is
derived from an EIA/JEDEC standard for measuring
thermal resistance for small surface mount packages.
Internal power dissipation, junction temperature rise,
junction temperature and maximum power dissipation
are calculated in the following example. The power
dissipation, as a result of ground current, is small
enough to be neglected.
The EIA/JEDEC specification is JESD51-7, High Effective Thermal Conductivity Test Board for Leaded Surface Mount Packages. The standard describes the test
method and board specifications for measuring the
thermal resistance from junction to ambient. The actual
thermal resistance for a particular application can vary
depending on many factors, such as copper area and
thickness. Refer to AN792 – A Method to Determine
How Much Power a SOT-23 Can Dissipate in an Application (DS00792), for more information regarding this
subject.
5.3.1
EXAMPLE 5-2:
TA = Ambient temperature
5.3
Voltage Regulator
POWER DISSIPATION EXAMPLE
EXAMPLE 5-1:
POWER DISSIPATION
TJ(RISE) = PTOTAL x RJA
TJRISE = 153.5 mW x 400.0°C/W
Package
Package Type = SOT-23
TJRISE = 61.4°C
Input Voltage
VIN = 3.5V to 4.8V
LDO Output Voltages and Currents
VOUT = 1.8V
IOUT = 50 mA
Maximum Ambient Temperature
5.3.1.2
EXAMPLE 5-3:
TJ = TJRISE + TA(MAX)
TA(MAX) = +40°C
TJ = 61.4°C + 40°C = 101.4°C
Internal Power Dissipation
Internal Power dissipation is the product of the LDO
output current times the voltage across the LDO
(VIN to VOUT).
PLDO(MAX) = (VIN(MAX) - VOUT(MIN)) x
IOUT(MAX)
VOUT(MIN) = 1.78V - 0.05V = 1.73V, where
1.78V is the minimum output
voltage due to accuracy, and
0.05V is the load regulation; due
to very small input voltage range,
the line regulation is neglected
Junction Temperature Estimate
To estimate the internal junction temperature, the
calculated temperature rise is added to the ambient or
offset temperature. For this example, the worst-case
junction temperature is estimated:
5.3.1.3
Maximum Package
Power Dissipation Example
at +40°C Ambient Temperature
EXAMPLE 5-4:
SOT-23 (400.0 °C/W = RJA)
PD(MAX) = (125°C - 40°C)/400°C/W
PD(MAX) = 212 mW
PLDO = (4.8V - 1.73V) x 50 mA
PLDO = 153.5 mW
 2015-2016 Microchip Technology Inc.
DS20005415C-page 23
MCP1711
5.4
Voltage Reference
The MCP1711 can be used not only as a regulator, but
also as a low quiescent current voltage reference. In
many microcontroller applications, the initial accuracy
of the reference can be calibrated using production test
equipment or by using a ratio measurement. When the
initial accuracy is calibrated, the thermal stability and
line regulation tolerance are the only errors introduced
by the MCP1711 LDO. The low cost, low quiescent current and small ceramic output capacitor are all
advantages when using the MCP1711 as a voltage
reference.
Ratio Metric Reference
PIC®
Microcontroller
MCP1711
0.6 µA Bias
VIN VOUT
CIN
0.1µF
GND
COUT
0.1µF
VREF
ADO
AD1
Bridge Sensor
FIGURE 5-2:
5.5
Using the MCP1711 as a Voltage Reference.
Pulsed Load Applications
For some applications, there are pulsed load current
events that may exceed the specified 150 mA
maximum specification of the MCP1711. The internal
current limit of the MCP1711 will prevent high
peak-load demands from causing nonrecoverable
damage. The 150 mA rating is a maximum average
continuous rating. As long as the average current does
not exceed 150 mA, higher pulsed load currents can be
applied to the MCP1711. The typical current limit for the
MCP1711 is 270 mA (TA = +25°C).
DS20005415C-page 24
 2015-2016 Microchip Technology Inc.
MCP1711
6.0
PACKAGING INFORMATION
6.1
Package Marking Information
4-Lead UQFN (1x1x0.6 mm)
XX
NN
Example
Device
Code
MCP1711T-12I/5X
P2NN
MCP1711T-18I/5X
P8NN
MCP1711T-22I/5X
PCNN
MCP1711T-25I/5X
PFNN
MCP1711T-30I/5X
PNNN
MCP1711T-33I/5X
PSNN
MCP1711T-50I/5X
RANN
5-Lead SOT-23
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
P2
56
Example
Device
Code
MCP1711T-12I/OT
9A2xx
MCP1711T-18I/OT
9A8xx
MCP1711T-19I/OT
9A9xx
MCP1711T-22I/OT
9ACxx
MCP1711T-25I/OT
9AFxx
MCP1711T-30I/OT
9ANxx
MCP1711T-33I/OT
9ASxx
MCP1711T-50I/OT
9BAxx
9A802
Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for customer-specific information.
 2015-2016 Microchip Technology Inc.
DS20005415C-page 25
MCP1711
4-Lead Plastic Ultra Thin Quad Flatpack No-Leads (5X) - 1x1x0.6mm [UQFN]
(Formerly USPQ-4B04)
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
D
A
B
3
N
(DATUM A)
(DATUM B)
E
2X
0.05 C
2
1
2X
TOP VIEW
0.05 C
C
A
SEATING
PLANE
SIDE VIEW
e
L3
2
1
D2
L2
L1
N
3X CH
3
E2
3X CH
4X b
BOTTOM VIEW
Microchip Technology Drawing C04-393B Sheet 1 of 2
DS20005415C-page 26
 2015-2016 Microchip Technology Inc.
MCP1711
4-Lead Plastic Ultra Thin Quad Flatpack No-Leads (5X) - 1x1x0.6mm [UQFN]
(Formerly USPQ-4B04)
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
Number of Terminals
Pitch
Overall Height
Overall Width
Exposed Pad Width
Overall Length
Exposed Pad Length
Terminal Width
Terminal Length
Terminal Length
Terminal Chamfer
Units
Dimension Limits
N
e
A
E
E2
D
D2
b
L1
L2
L3
CH
MIN
0.43
0.43
0.20
0.20
0.27
0.02
-
MILLIMETERS
NOM
4
0.65 BSC
1.00 BSC
0.48
1.00 BSC
0.48
0.25
0.25
0.32
0.07
0.18
MAX
0.60
0.53
0.53
0.30
0.30
0.37
0.12
-
Notes:
1. Pin 1 visual index feature may vary, but must be located within the hatched area.
2. Package is saw singulated
3. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
REF: Reference Dimension, usually without tolerance, for information purposes only.
Microchip Technology Drawing C04-393B Sheet 2 of 2
 2015-2016 Microchip Technology Inc.
DS20005415C-page 27
MCP1711
4-Lead Plastic Ultra Thin Quad Flatpack No-Leads (5X) - 1x1x0.6mm [UQFN]
(Formerly USPQ-4B04)
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
4X X1
3X X2
X4
4X Y3
4
3X Y1
Y2
2
1
Y4
E
SILK SCREEN
RECOMMENDED LAND PATTERN
Units
Dimension Limits
E
X1
X2
X4
Y1
Y2
Y3
Y4
MIN
MILLIMETERS
NOM
0.65 BSC
0.25
0.18
0.48
0.40
0.47
0.22
0.48
MAX
Notes:
1. Dimensioning and tolerancing per ASME Y14.5M
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
Microchip Technology Drawing C04-2393B
DS20005415C-page 28
 2015-2016 Microchip Technology Inc.
MCP1711
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 2015-2016 Microchip Technology Inc.
DS20005415C-page 29
MCP1711
Note:
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging
DS20005415C-page 30
 2015-2016 Microchip Technology Inc.
MCP1711
APPENDIX A:
REVISION HISTORY
Revision C (March 2016)
The following is the list of modifications:
Minor typographical corrections
Revision B (October 2015)
The following is the list of modifications:
• Updated thermal resistances in Section 1.0,
Electrical Characteristics.
• Updated Section 2.0, Typical Performance
Curves with new load step screenshots.
Revision A (June 2015)
Original release of this document.
 2015-2016 Microchip Technology Inc.
DS20005415C-page 31
MCP1711
NOTES:
DS20005415C-page 32
 2015-2016 Microchip Technology Inc.
MCP1711
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
PART NO.
[X](1)
-X
X
/XX
Output Temperature Package
Voltage
Range
Device Tape and Reel
Option
150 mA Ultra-Low Quiescent Current,
Capacitorless LDO Regulator
Examples:
a)
MCP1711T-12I/OT:
b)
MCP1711T-18I/OT:
Device:
MCP1711:
Output Voltage:
12
18
19
22
25
30
33
50
=
=
=
=
=
=
=
=
1.2V
1.8V
1.9V
2.2V
2.5V
3.0V
3.3V
5.0V
c)
MCP1711T-19I/OT:
d)
MCP1711T-22I/OT:
Temperature
Range:
I
=
-40°C to +85°C (Industrial)
e)
MCP1711T-25I/OT:
Packages:
OT
5X
=
=
Plastic Small Outline Transistor, 5-Lead SOT-23
Plastic Ultra Thin Quad Flatpack No-Leads,
4-Lead 1x1 UQFN
f)
MCP1711T-30I/OT:
g)
MCP1711T-33I/OT:
h)
MCP1711T-50I/OT:
a)
MCP1711T-12I/5X:
b)
MCP1711T-18I/5X:
c)
MCP1711T-22I/5X:
d)
MCP1711T-25I/5X:
e)
MCP1711T-30I/5X:
f)
MCP1711T-33I/5X:
Note 1:
 2015-2016 Microchip Technology Inc.
Tape and Reel
1.2V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
1.8V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
1.9V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
2.2V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
2.5V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
3.0V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
3.3V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
5V Output Voltage
Industrial temperature
5LD SOT-23
Tape and Reel
1.2V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel
1.8V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel
2.2V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel
2.5V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel
3.0V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel
3.3V Output Voltage
Industrial temperature
4LD UQFN
Tape and Reel identifier only appears in the
catalog part number description. This identifier is
used for ordering purposes and is not printed on
the device package. Check with your Microchip
Sales Office for package availability with the
Tape and Reel option.
DS20005415C-page 33
MCP1711
NOTES:
DS20005415C-page 34
 2015-2016 Microchip Technology Inc.
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
WARRANTIES OF ANY KIND WHETHER EXPRESS OR
IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION,
INCLUDING BUT NOT LIMITED TO ITS CONDITION,
QUALITY, PERFORMANCE, MERCHANTABILITY OR
FITNESS FOR PURPOSE. Microchip disclaims all liability
arising from this information and its use. Use of Microchip
devices in life support and/or safety applications is entirely at
the buyer’s risk, and the buyer agrees to defend, indemnify and
hold harmless Microchip from any and all damages, claims,
suits, or expenses resulting from such use. No licenses are
conveyed, implicitly or otherwise, under any Microchip
intellectual property rights unless otherwise stated.
Microchip received ISO/TS-16949:2009 certification for its worldwide
headquarters, design and wafer fabrication facilities in Chandler and
Tempe, Arizona; Gresham, Oregon and design centers in California
and India. The Company’s quality system processes and procedures
are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
QUALITYMANAGEMENTSYSTEM
CERTIFIEDBYDNV
== ISO/TS16949==
 2015-2016 Microchip Technology Inc.
Trademarks
The Microchip name and logo, the Microchip logo, AnyRate,
dsPIC, FlashFlex, flexPWR, Heldo, JukeBlox, KeeLoq,
KeeLoq logo, Kleer, LANCheck, LINK MD, MediaLB, MOST,
MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo,
RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O
are registered trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries.
ClockWorks, The Embedded Control Solutions Company,
ETHERSYNCH, Hyper Speed Control, HyperLight Load,
IntelliMOS, mTouch, Precision Edge, and QUIET-WIRE are
registered trademarks of Microchip Technology Incorporated
in the U.S.A.
Analog-for-the-Digital Age, Any Capacitor, AnyIn, AnyOut,
BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM,
dsPICDEM.net, Dynamic Average Matching, DAM, ECAN,
EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-Chip
Connectivity, JitterBlocker, KleerNet, KleerNet logo, MiWi,
motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB,
MPLINK, MultiTRAK, NetDetach, Omniscient Code
Generation, PICDEM, PICDEM.net, PICkit, PICtail,
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SQTP is a service mark of Microchip Technology Incorporated
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GestIC is a registered trademarks of Microchip Technology
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All other trademarks mentioned herein are property of their
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© 2015-2016, Microchip Technology Incorporated, Printed in
the U.S.A., All Rights Reserved.
ISBN: 978-1-5224-0408-8
DS20005415C-page 35
Worldwide Sales and Service
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China - Zhuhai
Tel: 86-756-3210040
Fax: 86-756-3210049
Denmark - Copenhagen
Tel: 45-4450-2828
Fax: 45-4485-2829
India - Bangalore
Tel: 91-80-3090-4444
Fax: 91-80-3090-4123
France - Paris
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
India - New Delhi
Tel: 91-11-4160-8631
Fax: 91-11-4160-8632
Germany - Dusseldorf
Tel: 49-2129-3766400
Atlanta
Duluth, GA
Tel: 678-957-9614
Fax: 678-957-1455
Hong Kong
Tel: 852-2943-5100
Fax: 852-2401-3431
Australia - Sydney
Tel: 61-2-9868-6733
Fax: 61-2-9868-6755
China - Beijing
Tel: 86-10-8569-7000
Fax: 86-10-8528-2104
Austin, TX
Tel: 512-257-3370
China - Chengdu
Tel: 86-28-8665-5511
Fax: 86-28-8665-7889
Boston
Westborough, MA
Tel: 774-760-0087
Fax: 774-760-0088
China - Chongqing
Tel: 86-23-8980-9588
Fax: 86-23-8980-9500
Chicago
Itasca, IL
Tel: 630-285-0071
Fax: 630-285-0075
Cleveland
Independence, OH
Tel: 216-447-0464
Fax: 216-447-0643
Dallas
Addison, TX
Tel: 972-818-7423
Fax: 972-818-2924
Detroit
Novi, MI
Tel: 248-848-4000
Houston, TX
Tel: 281-894-5983
Indianapolis
Noblesville, IN
Tel: 317-773-8323
Fax: 317-773-5453
Los Angeles
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
New York, NY
Tel: 631-435-6000
San Jose, CA
Tel: 408-735-9110
Canada - Toronto
Tel: 905-673-0699
Fax: 905-673-6509
China - Dongguan
Tel: 86-769-8702-9880
China - Hangzhou
Tel: 86-571-8792-8115
Fax: 86-571-8792-8116
Germany - Karlsruhe
Tel: 49-721-625370
India - Pune
Tel: 91-20-3019-1500
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Japan - Osaka
Tel: 81-6-6152-7160
Fax: 81-6-6152-9310
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Japan - Tokyo
Tel: 81-3-6880- 3770
Fax: 81-3-6880-3771
Italy - Venice
Tel: 39-049-7625286
Korea - Daegu
Tel: 82-53-744-4301
Fax: 82-53-744-4302
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
China - Hong Kong SAR
Tel: 852-2943-5100
Fax: 852-2401-3431
Korea - Seoul
Tel: 82-2-554-7200
Fax: 82-2-558-5932 or
82-2-558-5934
China - Nanjing
Tel: 86-25-8473-2460
Fax: 86-25-8473-2470
Malaysia - Kuala Lumpur
Tel: 60-3-6201-9857
Fax: 60-3-6201-9859
China - Qingdao
Tel: 86-532-8502-7355
Fax: 86-532-8502-7205
Malaysia - Penang
Tel: 60-4-227-8870
Fax: 60-4-227-4068
China - Shanghai
Tel: 86-21-5407-5533
Fax: 86-21-5407-5066
Philippines - Manila
Tel: 63-2-634-9065
Fax: 63-2-634-9069
China - Shenyang
Tel: 86-24-2334-2829
Fax: 86-24-2334-2393
Singapore
Tel: 65-6334-8870
Fax: 65-6334-8850
China - Shenzhen
Tel: 86-755-8864-2200
Fax: 86-755-8203-1760
Taiwan - Hsin Chu
Tel: 886-3-5778-366
Fax: 886-3-5770-955
China - Wuhan
Tel: 86-27-5980-5300
Fax: 86-27-5980-5118
Taiwan - Kaohsiung
Tel: 886-7-213-7828
China - Xian
Tel: 86-29-8833-7252
Fax: 86-29-8833-7256
Poland - Warsaw
Tel: 48-22-3325737
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 44-118-921-5800
Fax: 44-118-921-5820
Taiwan - Taipei
Tel: 886-2-2508-8600
Fax: 886-2-2508-0102
Thailand - Bangkok
Tel: 66-2-694-1351
Fax: 66-2-694-1350
07/14/15
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